Changeset b48e680f in mainline for uspace/lib/c/generic/io/console.c

Timestamp:

2021-11-03T10:23:28Z (2 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

ec8a1bf

Parents:

ce862ac

git-author:

Jiri Svoboda <jiri@…> (2021-11-02 19:19:50)

git-committer:

Jiri Svoboda <jiri@…> (2021-11-03 10:23:28)

Message:

Allow console application to set the terminal window caption

File:

• uspace/lib/c/generic/io/console.c (modified) (2 diffs)

uspace/lib/c/generic/io/console.c

@@ -40 +40 @@
 #include <errno.h>
 #include <stdlib.h>
+#include <str.h>
 #include <vfs/vfs_sess.h>
 #include <io/console.h>
@@ -128 +129 @@
         async_req_1_0(exch, CONSOLE_SET_CURSOR_VISIBILITY, (show != false));
         async_exchange_end(exch);
+}
+
+/** Set console caption.
+ *
+ * Set caption text for the console (if the console suports captions).
+ *
+ * @param ctrl Console
+ * @param caption Caption text
+ * @return EOK on success or an error code
+ */
+errno_t console_set_caption(console_ctrl_t *ctrl, const char *caption)
+{
+        async_exch_t *exch = async_exchange_begin(ctrl->output_sess);
+        ipc_call_t answer;
+        aid_t req = async_send_0(exch, CONSOLE_SET_CAPTION, &answer);
+        errno_t retval = async_data_write_start(exch, caption, str_size(caption));
+
+        if (retval != EOK) {
+                async_forget(req);
+                async_exchange_end(exch);
+                return retval;
+        }
+
+        async_wait_for(req, &retval);
+        async_exchange_end(exch);
+        return EOK;
 }